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Finding the Fourth Proportional to 73,413.12, 101,302.80 and 41,575.68

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Solution

The fourth proportional to 73,413.12, 101,302.80 and 41,575.68 is: 57,370.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,413.12 : 101,302.80 = 41,575.68 : x
  2. Step 2: Convert to fraction form
    73,413.12/101,302.80 = 41,575.68/x
  3. Step 3: Cross multiply
    73,413.12x = 101,302.80 × 41,575.68
  4. Step 4: Simplify right side
    73,413.12x = 4,211,732,795.90
  5. Step 5: Solve for x
    x = 4,211,732,795.90/73,413.12
  6. Step 6: Final answer
    x = 57,370.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.